RE: [Xen-users] NTP time issues DomU's

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> any idea why all my DomU's were exactly the same offset wrong 
> from my DomO then?

You've got two people (dom0 and domU) trying to adjust time at the same
time, which is bound to lead to confusion.

Ian
 
> I agree, it is great if it works ... but if it's off for some 
> reason, i'd like to be able to fix it.  (otherwise i may as 
> well use windows ...)
> 
> On Fri, 13 May 2005, Tim Durack wrote:
> 
> > I think it's perfect the way it is.
> >
> > Run NTP in dom0, all the domU's then have synchronized time.
> >
> > I can still set timezones on all of these boxes independantly.
> > Timezone has nothing to do with NTP synchronization.
> >
> > Tim:>
> >
> >
> >> yeah, i'm already doing that, I was just saying, it *seemed* like 
> >> they were getting their time from domain0, and weren't actually 
> >> changing their own clocks in accordance with syncing with the same 
> >> ntpd server.
> >
> >> especially since they're all off by exactly the same 
> amount ... and 
> >> running ntpdate doesn't seem to have any effect whatsoever?
> >
> > If you don't run ntp in the domU's, it should just work.
> >
> > If you want to run ntp in the domU, try:
> > echo 1 > /proc/sys/xen/independent_wallclock
> >
> > I guess we could be smarter about this, and make the wall clock 
> > independent automatically if someone does an adjtimex 
> syscall. Anyone 
> > got any comments on this?
> >
> > Ian
> >
> > _______________________________________________
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> >
> 
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